The Shanghai Composite Index rose 0.3 percent to 4,926.62 at 10:41 a.m. local time after changing direction six times. China National Nuclear Power Co., the country second-biggest atomic power operator, locked up 1.69 trillion yuan ($ 273 billion) in bids for its IPO, according to a company statement posted on the Shanghai Stock Exchange website. Bank of Communications Co. may get State Council approval for its final mixed-ownership reform plan within two weeks, according to people familiar with the matter.